Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Revenues	$ 166,704	$ 130,670	$ 294,760	$ 264,712
Expenses
Compensation and Benefits	119,165	94,273	214,316	197,905
Occupancy and Related	7,802	6,573	14,938	13,376
Travel and Related	6,721	5,987	13,680	11,457
Professional Fees	5,667	4,019	11,469	9,218
Communications and Information Services	3,493	3,260	6,706	6,740
Depreciation and Amortization	3,635	2,092	7,255	4,099
Other Expenses	6,629	4,328	12,891	9,160
Total Expenses	153,112	120,532	281,255	251,955
Income Before Provision (Benefit) for Taxes	13,592	10,138	13,505	12,757
Provision (Benefit) for Taxes	3,566	(882)	2,542	(4,992)
Net Income	10,026	11,020	10,963	17,749
Net Income Attributable to Non-Controlling Interests	5,200	4,075	5,036	5,568
Net Income Attributable to PJT Partners Inc.	4,826	6,945	5,927	12,181
Advisory Fees
Revenues
Revenues	133,035	98,294	237,502	201,757
Placement Fees
Revenues
Revenues	28,695	28,132	52,007	54,252
Interest Income and Other
Revenues
Revenues	$ 4,974	$ 4,244	$ 5,251	$ 8,703
Class A Common Stock
Net Income Per Share of Class A Common Stock
Basic	$ 0.20	$ 0.30	$ 0.24	$ 0.57
Diluted	$ 0.20	$ 0.30	$ 0.24	$ 0.55
Weighted-Average Shares of Class A Common Stock Outstanding
Basic	24,572,535	22,641,562	24,157,671	20,987,863
Diluted	24,572,535	24,185,020	24,157,671	22,689,344